./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38eca36787df6152c26f941ea8052099b3b63076 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:52:23,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:52:23,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:52:23,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:52:23,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:52:23,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:52:23,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:52:23,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:52:23,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:52:23,806 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:52:23,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:52:23,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:52:23,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:52:23,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:52:23,809 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:52:23,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:52:23,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:52:23,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:52:23,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:52:23,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:52:23,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:52:23,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:52:23,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:52:23,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:52:23,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:52:23,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:52:23,818 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:52:23,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:52:23,820 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:52:23,820 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:52:23,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:52:23,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:52:23,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:52:23,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:52:23,822 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:52:23,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:52:23,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:52:23,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:52:23,833 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:52:23,834 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:52:23,834 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:52:23,834 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:52:23,834 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:52:23,834 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:52:23,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:52:23,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:52:23,835 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:52:23,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:52:23,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:52:23,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:52:23,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:52:23,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:52:23,836 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:52:23,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:52:23,837 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:52:23,837 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:52:23,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:52:23,837 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:52:23,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:52:23,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:52:23,837 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-11-23 02:52:23,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:52:23,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:52:23,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:52:23,873 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:52:23,874 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:52:23,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-23 02:52:23,916 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/data/a674ed96a/6ff3983f7096435299a98c458a8537ff/FLAG2fa53f0c7 [2018-11-23 02:52:24,312 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:52:24,313 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-23 02:52:24,324 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/data/a674ed96a/6ff3983f7096435299a98c458a8537ff/FLAG2fa53f0c7 [2018-11-23 02:52:24,681 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/data/a674ed96a/6ff3983f7096435299a98c458a8537ff [2018-11-23 02:52:24,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:52:24,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:52:24,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:52:24,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:52:24,686 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:52:24,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:24" (1/1) ... [2018-11-23 02:52:24,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a197f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:24, skipping insertion in model container [2018-11-23 02:52:24,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:24" (1/1) ... [2018-11-23 02:52:24,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:52:24,731 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:52:24,964 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:52:24,967 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:52:25,038 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:52:25,051 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:52:25,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25 WrapperNode [2018-11-23 02:52:25,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:52:25,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:52:25,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:52:25,052 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:52:25,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:52:25,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:52:25,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:52:25,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:52:25,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... [2018-11-23 02:52:25,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:52:25,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:52:25,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:52:25,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:52:25,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:52:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 02:52:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:52:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:52:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 02:52:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 02:52:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:52:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:52:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:52:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:52:26,255 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:52:26,255 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 02:52:26,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:52:26 BoogieIcfgContainer [2018-11-23 02:52:26,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:52:26,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:52:26,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:52:26,259 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:52:26,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:52:24" (1/3) ... [2018-11-23 02:52:26,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b14b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:52:26, skipping insertion in model container [2018-11-23 02:52:26,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:25" (2/3) ... [2018-11-23 02:52:26,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b14b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:52:26, skipping insertion in model container [2018-11-23 02:52:26,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:52:26" (3/3) ... [2018-11-23 02:52:26,262 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label11_true-unreach-call.c [2018-11-23 02:52:26,271 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:52:26,278 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:52:26,292 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:52:26,320 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:52:26,320 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:52:26,320 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:52:26,320 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:52:26,321 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:52:26,321 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:52:26,321 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:52:26,321 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:52:26,321 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:52:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 02:52:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 02:52:26,350 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:26,351 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:26,353 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:26,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:26,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1918215546, now seen corresponding path program 1 times [2018-11-23 02:52:26,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:26,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:26,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:26,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:26,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:26,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:52:26,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:52:26,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:52:26,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:52:26,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:52:26,644 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 02:52:27,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:27,306 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 02:52:27,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:52:27,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-11-23 02:52:27,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:27,317 INFO L225 Difference]: With dead ends: 571 [2018-11-23 02:52:27,317 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 02:52:27,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:52:27,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 02:52:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 02:52:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 02:52:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-23 02:52:27,360 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 67 [2018-11-23 02:52:27,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:27,360 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-23 02:52:27,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:52:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-23 02:52:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 02:52:27,366 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:27,367 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:27,367 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:27,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:27,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2016512505, now seen corresponding path program 1 times [2018-11-23 02:52:27,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:27,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:27,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:27,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:27,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:27,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:52:27,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:52:27,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:52:27,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:52:27,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:52:27,565 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 5 states. [2018-11-23 02:52:28,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:28,609 INFO L93 Difference]: Finished difference Result 1135 states and 2017 transitions. [2018-11-23 02:52:28,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:52:28,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 186 [2018-11-23 02:52:28,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:28,615 INFO L225 Difference]: With dead ends: 1135 [2018-11-23 02:52:28,615 INFO L226 Difference]: Without dead ends: 787 [2018-11-23 02:52:28,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:52:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2018-11-23 02:52:28,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 781. [2018-11-23 02:52:28,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-23 02:52:28,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1297 transitions. [2018-11-23 02:52:28,644 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1297 transitions. Word has length 186 [2018-11-23 02:52:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:28,645 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 1297 transitions. [2018-11-23 02:52:28,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:52:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1297 transitions. [2018-11-23 02:52:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 02:52:28,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:28,649 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:28,649 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:28,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:28,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1760446162, now seen corresponding path program 1 times [2018-11-23 02:52:28,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:28,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:28,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:28,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:28,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:28,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:52:28,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:52:28,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:52:28,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:52:28,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:52:28,850 INFO L87 Difference]: Start difference. First operand 781 states and 1297 transitions. Second operand 6 states. [2018-11-23 02:52:29,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:29,834 INFO L93 Difference]: Finished difference Result 1967 states and 3359 transitions. [2018-11-23 02:52:29,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:52:29,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2018-11-23 02:52:29,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:29,844 INFO L225 Difference]: With dead ends: 1967 [2018-11-23 02:52:29,845 INFO L226 Difference]: Without dead ends: 1192 [2018-11-23 02:52:29,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:52:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-11-23 02:52:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1173. [2018-11-23 02:52:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2018-11-23 02:52:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1750 transitions. [2018-11-23 02:52:29,879 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1750 transitions. Word has length 193 [2018-11-23 02:52:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:29,879 INFO L480 AbstractCegarLoop]: Abstraction has 1173 states and 1750 transitions. [2018-11-23 02:52:29,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:52:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1750 transitions. [2018-11-23 02:52:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-11-23 02:52:29,884 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:29,884 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:29,884 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:29,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:29,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1807493347, now seen corresponding path program 1 times [2018-11-23 02:52:29,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:29,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:29,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:29,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:29,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:30,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:52:30,325 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:52:30,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:30,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:52:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:30,564 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:52:30,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-23 02:52:30,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 02:52:30,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 02:52:30,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-11-23 02:52:30,566 INFO L87 Difference]: Start difference. First operand 1173 states and 1750 transitions. Second operand 16 states. [2018-11-23 02:52:33,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:33,777 INFO L93 Difference]: Finished difference Result 3783 states and 6118 transitions. [2018-11-23 02:52:33,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 02:52:33,778 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 256 [2018-11-23 02:52:33,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:33,789 INFO L225 Difference]: With dead ends: 3783 [2018-11-23 02:52:33,789 INFO L226 Difference]: Without dead ends: 2616 [2018-11-23 02:52:33,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=605, Invalid=2047, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 02:52:33,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2018-11-23 02:52:33,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2312. [2018-11-23 02:52:33,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2312 states. [2018-11-23 02:52:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3099 transitions. [2018-11-23 02:52:33,848 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3099 transitions. Word has length 256 [2018-11-23 02:52:33,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:33,848 INFO L480 AbstractCegarLoop]: Abstraction has 2312 states and 3099 transitions. [2018-11-23 02:52:33,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 02:52:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3099 transitions. [2018-11-23 02:52:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-23 02:52:33,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:33,854 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:33,855 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:33,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:33,855 INFO L82 PathProgramCache]: Analyzing trace with hash 854527778, now seen corresponding path program 1 times [2018-11-23 02:52:33,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:33,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:33,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:33,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:33,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:34,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:52:34,024 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:52:34,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:34,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:52:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:34,179 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:52:34,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 02:52:34,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:52:34,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:52:34,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:52:34,181 INFO L87 Difference]: Start difference. First operand 2312 states and 3099 transitions. Second operand 9 states. [2018-11-23 02:52:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:35,483 INFO L93 Difference]: Finished difference Result 6887 states and 10424 transitions. [2018-11-23 02:52:35,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 02:52:35,483 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-11-23 02:52:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:35,492 INFO L225 Difference]: With dead ends: 6887 [2018-11-23 02:52:35,493 INFO L226 Difference]: Without dead ends: 1779 [2018-11-23 02:52:35,531 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2018-11-23 02:52:35,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2018-11-23 02:52:35,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1619. [2018-11-23 02:52:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2018-11-23 02:52:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2024 transitions. [2018-11-23 02:52:35,603 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2024 transitions. Word has length 271 [2018-11-23 02:52:35,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:35,603 INFO L480 AbstractCegarLoop]: Abstraction has 1619 states and 2024 transitions. [2018-11-23 02:52:35,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:52:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2024 transitions. [2018-11-23 02:52:35,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 02:52:35,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:35,610 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:35,610 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:35,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:35,610 INFO L82 PathProgramCache]: Analyzing trace with hash -550746410, now seen corresponding path program 1 times [2018-11-23 02:52:35,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:35,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:35,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:35,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:35,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 120 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:52:35,745 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:52:35,745 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:52:35,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:35,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:52:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 02:52:35,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:52:35,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-23 02:52:35,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:52:35,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:52:35,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:52:35,870 INFO L87 Difference]: Start difference. First operand 1619 states and 2024 transitions. Second operand 9 states. [2018-11-23 02:52:36,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:36,277 INFO L93 Difference]: Finished difference Result 2783 states and 3485 transitions. [2018-11-23 02:52:36,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:52:36,277 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 281 [2018-11-23 02:52:36,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:36,281 INFO L225 Difference]: With dead ends: 2783 [2018-11-23 02:52:36,282 INFO L226 Difference]: Without dead ends: 1464 [2018-11-23 02:52:36,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:52:36,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2018-11-23 02:52:36,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1442. [2018-11-23 02:52:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1442 states. [2018-11-23 02:52:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1695 transitions. [2018-11-23 02:52:36,313 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1695 transitions. Word has length 281 [2018-11-23 02:52:36,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:36,314 INFO L480 AbstractCegarLoop]: Abstraction has 1442 states and 1695 transitions. [2018-11-23 02:52:36,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:52:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1695 transitions. [2018-11-23 02:52:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-11-23 02:52:36,321 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:36,321 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:36,321 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:36,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:36,322 INFO L82 PathProgramCache]: Analyzing trace with hash 348873925, now seen corresponding path program 1 times [2018-11-23 02:52:36,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:36,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:36,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:36,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:36,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 311 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:52:36,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:52:36,871 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:52:36,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:36,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:52:42,945 WARN L180 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-23 02:52:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 386 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 02:52:43,122 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:52:43,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 23 [2018-11-23 02:52:43,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-23 02:52:43,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-23 02:52:43,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2018-11-23 02:52:43,123 INFO L87 Difference]: Start difference. First operand 1442 states and 1695 transitions. Second operand 23 states. [2018-11-23 02:52:52,060 WARN L180 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-11-23 02:52:58,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:58,914 INFO L93 Difference]: Finished difference Result 6653 states and 9169 transitions. [2018-11-23 02:52:58,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-11-23 02:52:58,914 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 378 [2018-11-23 02:52:58,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:58,934 INFO L225 Difference]: With dead ends: 6653 [2018-11-23 02:52:58,934 INFO L226 Difference]: Without dead ends: 4271 [2018-11-23 02:52:58,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 396 SyntacticMatches, 3 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6500 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=2868, Invalid=14424, Unknown=0, NotChecked=0, Total=17292 [2018-11-23 02:52:58,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2018-11-23 02:52:59,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 3628. [2018-11-23 02:52:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3628 states. [2018-11-23 02:52:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 4399 transitions. [2018-11-23 02:52:59,057 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 4399 transitions. Word has length 378 [2018-11-23 02:52:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:59,058 INFO L480 AbstractCegarLoop]: Abstraction has 3628 states and 4399 transitions. [2018-11-23 02:52:59,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-23 02:52:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 4399 transitions. [2018-11-23 02:52:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 02:52:59,070 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:52:59,070 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:52:59,070 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:52:59,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:52:59,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1039577823, now seen corresponding path program 1 times [2018-11-23 02:52:59,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:52:59,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:52:59,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:59,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:52:59,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:52:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:52:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 02:52:59,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:52:59,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:52:59,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:52:59,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:52:59,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:52:59,317 INFO L87 Difference]: Start difference. First operand 3628 states and 4399 transitions. Second operand 4 states. [2018-11-23 02:52:59,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:52:59,773 INFO L93 Difference]: Finished difference Result 6813 states and 8313 transitions. [2018-11-23 02:52:59,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:52:59,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2018-11-23 02:52:59,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:52:59,774 INFO L225 Difference]: With dead ends: 6813 [2018-11-23 02:52:59,774 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:52:59,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:52:59,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:52:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:52:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:52:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:52:59,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-11-23 02:52:59,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:52:59,781 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:52:59,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:52:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:52:59,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:52:59,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:52:59,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:52:59,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:52:59,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:52:59,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:52:59,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,123 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 202 [2018-11-23 02:53:00,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:53:00,369 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 202 [2018-11-23 02:53:00,543 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2018-11-23 02:53:01,280 WARN L180 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 50 [2018-11-23 02:53:01,594 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 52 [2018-11-23 02:53:02,130 WARN L180 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 52 [2018-11-23 02:53:02,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:53:02,131 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 02:53:02,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:53:02,131 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 02:53:02,131 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 02:53:02,132 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 02:53:02,133 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 02:53:02,134 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 02:53:02,135 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 02:53:02,136 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 02:53:02,137 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 02:53:02,138 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 02:53:02,139 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse12 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= |old(~a10~0)| ~a10~0))) (let ((.cse2 (< 2 |old(~a10~0)|)) (.cse6 (and .cse12 .cse10 .cse11)) (.cse8 (not (= 9 |old(~a19~0)|))) (.cse5 (= 6 |old(~a19~0)|)) (.cse4 (= 1 |old(~a10~0)|)) (.cse7 (not (= 4 |old(~a10~0)|))) (.cse9 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse3 (and .cse10 .cse11 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse6 .cse0 .cse1 .cse8 (not (= 3 |old(~a10~0)|))) (or .cse9 .cse0 .cse1 .cse5 .cse3) (or .cse3 .cse9 .cse0 .cse1 (<= (+ |old(~a1~0)| 13) 0) .cse4) (or .cse7 .cse9 .cse0 .cse1 .cse3)))) [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,140 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-11-23 02:53:02,141 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 02:53:02,142 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 02:53:02,143 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (<= ~a10~0 2) (= ~a12~0 0) (not (= ~a10~0 1)) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-23 02:53:02,144 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:53:02,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:53:02,144 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (< 2 |old(~a10~0)|) (and (<= ~a1~0 23) (<= |old(~a1~0)| ~a1~0) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-23 02:53:02,145 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 02:53:02,145 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2)) (.cse1 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and .cse0 .cse1) (< 0 (+ ~a1~0 13))) (and .cse2 .cse0) (not (= 0 ~a12~0)) (and .cse2 .cse3) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|) (and .cse3 .cse1))) [2018-11-23 02:53:02,145 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 02:53:02,145 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 02:53:02,145 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2)) (.cse1 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and .cse0 .cse1) (< 0 (+ ~a1~0 13))) (and .cse2 .cse0) (not (= 0 ~a12~0)) (and .cse2 .cse3) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|) (and .cse3 .cse1))) [2018-11-23 02:53:02,145 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 02:53:02,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:53:02 BoogieIcfgContainer [2018-11-23 02:53:02,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:53:02,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:53:02,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:53:02,158 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:53:02,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:52:26" (3/4) ... [2018-11-23 02:53:02,166 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:53:02,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:53:02,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 02:53:02,173 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:53:02,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:53:02,182 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 02:53:02,207 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\old(a1) < 23 || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || (!(a19 == 6) && a10 <= 2)) || 23 < \old(a1)) || !(9 == \old(a19))) || 1 == \old(a10)) || (3 == a10 && 9 == a19)) || !(14 == a4)) || (4 == a10 && a19 <= 9)) || 2 < \old(a10)) || (a10 <= 2 && !(a10 == 1)) [2018-11-23 02:53:02,280 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b6c2799-aba8-48ae-b170-2de21da90b4a/bin-2019/uautomizer/witness.graphml [2018-11-23 02:53:02,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:53:02,281 INFO L168 Benchmark]: Toolchain (without parser) took 37597.73 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 782.2 MB). Free memory was 950.0 MB in the beginning and 1.8 GB in the end (delta: -813.2 MB). Peak memory consumption was 849.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:53:02,281 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:53:02,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:53:02,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -227.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:53:02,282 INFO L168 Benchmark]: Boogie Preprocessor took 54.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:53:02,282 INFO L168 Benchmark]: RCFGBuilder took 1070.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:53:02,282 INFO L168 Benchmark]: TraceAbstraction took 35901.15 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 562.0 MB). Free memory was 1.0 GB in the beginning and 820.8 MB in the end (delta: 214.6 MB). Peak memory consumption was 776.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:53:02,283 INFO L168 Benchmark]: Witness Printer took 122.63 ms. Allocated memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: 70.8 MB). Free memory was 820.8 MB in the beginning and 1.8 GB in the end (delta: -942.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:53:02,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.12 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -227.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1070.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35901.15 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 562.0 MB). Free memory was 1.0 GB in the beginning and 820.8 MB in the end (delta: 214.6 MB). Peak memory consumption was 776.6 MB. Max. memory is 11.5 GB. * Witness Printer took 122.63 ms. Allocated memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: 70.8 MB). Free memory was 820.8 MB in the beginning and 1.8 GB in the end (delta: -942.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((\old(a1) < 23 || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || (!(a19 == 6) && a10 <= 2)) || 23 < \old(a1)) || !(9 == \old(a19))) || 1 == \old(a10)) || (3 == a10 && 9 == a19)) || !(14 == a4)) || (4 == a10 && a19 <= 9)) || 2 < \old(a10)) || (a10 <= 2 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 35.8s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 24.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 618 SDtfs, 13468 SDslu, 1426 SDs, 0 SdLazy, 22780 SolverSat, 4942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1466 GetRequests, 1236 SyntacticMatches, 9 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7222 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3628occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1154 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 127 PreInvPairs, 251 NumberOfFragments, 427 HoareAnnotationTreeSize, 127 FomulaSimplifications, 36634 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16341 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 3210 NumberOfCodeBlocks, 3210 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3198 ConstructedInterpolants, 6 QuantifiedInterpolants, 3840678 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1920 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 2452/2691 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...